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RFC20-BB Pentek Carbon Filter Replacement Cartridge

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RFC20-BB Pentek Replacement Filter Cartridge

$58.99 Save 29% (MSRP: $82.91)

Quick Overview

Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges
4 23


The Pentek RFC-20BB water filter cartridge is a Big Blue filter that reduces chlorine taste and odor. The whole house RFC-20BB is a very popular choice, due to its outstanding flow rate. The lifespan of this filter depends on water quality, but it is rated for up to 100,000 gallons of chlorine removal at 4 gallons per minute. The RFC-20BB is a great way to provide cleaner, better-tasting water to your entire house with this filter. Enjoy minimal maintenance with only 2-3 filter changes each year.

  • Highly effective for chlorine taste and odor reduction
  • Granular Activated Carbon in a Radial Flow Design
  • Limits small black specks (carbon fines) in your water better than most GAC water filters, due to the radial flow design
  • Great for high flow rate applications
  • Genuine OEM Product
  • User Guide for PENTEK_RFC20_BB_FILTER


Used In Brands Pentek
Manufacturer's Id RFC20_BB_FILTER
UPC 051678247433
Advertised Size (in) 20 x 4-1/2
Media Porous Polyethylene
Primary Filter Media Granular Activated Carbon
Materials of Construction Inner Wraps/Core: Polypropylene, End Caps: Polypropylene, Gasket: Buna-N, Outer Shell: Polyethylene
Filter Life (gallons) 100,000
Filter Life (liters) 378,541.18
Filter Life (months) 6 months
Micron Rating (Nominal) 25
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 4
Flow Rate (lpm) 15.142


Reduces the following contaminants:
  • The PENTEK_RFC20_BB_FILTER does not reduce fluoride.

The PENTEK_RFC20_BB_FILTER is comparable with the following part numbers

155247 AP817
175792 RFC20-BB
155247-43 RFC-20BB